<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'

import { ref } from 'vue'

//笔记分类数据模型
const categorys = ref([
   
])
//未删除的笔记分类数据模型
const deletedcategorys=ref([

])
//用户搜索时选中的分类id
const categoryId=ref('')

//用户搜索时选中的发布状态
const state=ref('')

//笔记列表数据模型
const articles = ref([
  
])

//分页条数据模型
const pageNum = ref(1)//当前页
const total = ref(20)//总条数
const pageSize = ref(3)//每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size;
    articleList();
}
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num;
    articleList();
}
//显示笔记分类
import { articleCategoryListService,articleListService,articleAddService,articleUpdateService,articleDeleteService,articleCategoryDeletedListService} from '@/api/article'
const articleCategoryList=async()=>{
    let result=await articleCategoryListService();
    categorys.value=result.data;
}
//获取没有删除的笔记分类
const articleCategoryDeletedList=async()=>{
    let result=await articleCategoryDeletedListService();
    deletedcategorys.value=result.data;
}
articleCategoryDeletedList();
//获取笔记列表数据
const articleList=async()=>{
    let params={
        pageNum:pageNum.value,
        pageSize:pageSize.value,
        categoryId:categoryId.value?categoryId.value:null,
        state:state.value?state.value:null
    }
    let result=await articleListService(params);
    //渲染视图
    total.value=result.data.total;
    articles.value=result.data.items;
    //处理数据，给数据模型扩展一个属性categoryName,分类名称
    for(let i=0;i<articles.value.length;i++){
        let article=articles.value[i];
        for(let j=0;j<categorys.value.length;j++){
            if(article.categoryId===categorys.value[j].id){
                article.categoryName=categorys.value[j].categoryName;
            }
        }
    }
}
articleCategoryList();
articleList();
import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'
import {Plus} from '@element-plus/icons-vue'
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const articleModel = ref({
    title: '',
    categoryId: '',
    coverImg: '',
    content:'',
    state:''
})
import { useTokenStore } from '@/stores/token.js'
import { ElMessage,ElMessageBox } from 'element-plus'
const tokenStore=useTokenStore();
//上传成功的回调函数
const uploadSuccess=(result)=>{
    articleModel.value.coverImg=result.data;
}
//添加笔记
const addArticle=async(clickState)=>{
    articleModel.value.state=clickState;
    let result=await articleAddService(articleModel.value);
    ElMessage.success(result.message?result.message:"添加成功");
    //让抽屉消失
    visibleDrawer.value=false;
    //刷新列表
    articleList();
}
const title=ref("");
//展示编辑抽屉
const showDialog=(row)=>{
    visibleDrawer.value=true;
    title.value='编辑笔记';
    articleModel.value.title=row.title;
    articleModel.value.categoryId=row.categoryId;
    articleModel.value.coverImg=row.coverImg;
    articleModel.value.content=row.content;
    //扩展id属性,将来需要传递给后台，完成修改
    articleModel.value.id=row.id;
}
//编辑笔记
const updateArticle=async(updateState)=>{
    articleModel.value.state=updateState;
    let result=await articleUpdateService(articleModel.value);
    ElMessage.success(result.message?result.message:"修改成功");
    visibleDrawer.value=false;
    articleList();
}
//清空模型数据
const clearData=()=>{
    articleModel.value.title='';
    articleModel.value.categoryId='';
    articleModel.value.coverImg='';
    articleModel.value.content=' ';
}
const deleteArticle=(row)=>{
     ElMessageBox.confirm(
    '你确定要删除这条信息吗?',
    '温馨提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: '温馨提示',
    }
  )
    .then(async() => {
        //调用接口
      let result=await articleDeleteService(row.id);
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      //刷新列表
      articleList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '取消删除',
      })
    })
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>笔记管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer=true;clearData()">添加笔记</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="笔记分类：">
                <el-select placeholder="请选择" style="width: 240px;" v-model="categoryId">
                    <el-option 
                        v-for="c in categorys" 
                        :key="c.id" 
                        :label="c.categoryName"
                        :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>

            <el-form-item label="发布状态：">
                <el-select placeholder="请选择"  style="width: 240px;" v-model="state">
                    <el-option label="已发布" value="已发布"></el-option>
                    <el-option label="草稿" value="草稿"></el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="articleList">搜索</el-button>
                <el-button @click="categoryId='';state=''">重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 笔记列表 -->
        <el-table :data="articles" style="width: 100%">
            <el-table-column label="笔记标题" width="400" prop="title"></el-table-column>
            <el-table-column label="分类" prop="categoryName"></el-table-column>
            <el-table-column label="发表时间" prop="createTime"> </el-table-column>
            <el-table-column label="状态" prop="state"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteArticle(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5 ,10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
            <!-- 抽屉 -->
        <el-drawer v-model="visibleDrawer" :title="title" direction="rtl" size="50%">
            <!-- 添加笔记表单 -->
            <el-form :model="articleModel" label-width="100px" >
                <el-form-item label="笔记标题" >
                    <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
                </el-form-item>
                <el-form-item label="笔记分类">
                    <el-select placeholder="请选择" v-model="articleModel.categoryId">
                        <el-option v-for="c in deletedcategorys" :key="c.id" :label="c.categoryName" :value="c.id">
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="笔记封面">

                    <el-upload class="avatar-uploader" :auto-upload="true" :show-file-list="false"
                    action="/api/upload"
                    name="file"
                    :headers="{'Authorization':tokenStore.token}"
                    :on-success="uploadSuccess"
                    >
                        <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
                        <el-icon v-else class="avatar-uploader-icon">
                            <Plus />
                        </el-icon>
                    </el-upload>
                </el-form-item>
                <el-form-item label="笔记内容">
                    <div class="editor">
                        
                        <quill-editor
                                theme="snow"
                                v-model:content="articleModel.content"
                                contentType="html"
                                >
                        </quill-editor>

                    </div>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="title=='编辑笔记'?updateArticle('已发布'):addArticle('已发布')">发布</el-button>
                    <el-button type="info" @click="title=='编辑笔记'?updateArticle('草稿'):addArticle('草稿')">草稿</el-button>
                </el-form-item>
            </el-form>
        </el-drawer>
    </el-card>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
/* 抽屉样式 */
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>